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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
24
pubmed:dateCreated
2009-12-17
pubmed:abstractText
Nanocrystalline LaOCl:Tb(3+)/Sm(3+) phosphors were synthesized by a Pechini-type sol-gel process. Under UV and electron-beam excitation, LaOCl:Tb(3+)/Sm(3+) show the characteristic emission of Tb(3+) ((5)D(3,4)-->(7)F(6),...2) and Sm(3+) ((4)G(5/2)-->(6)H(5/2,7/2,9/2)), respectively. In particular, the cathodoluminescence (CL) color of LaOCl:Tb(3+) can be tuned from blue to green by changing Tb(3+)-doped concentration, and their CL intensities (brightness) are higher than those of commercial products Y(2)SiO(5):Ce(3+) and ZnO:Zn, respectively. White CL can be realized by codoping with Tb(3+) and Sm(3+) in a single-phase LaOCl host. The obtained white light is very close to the standard white light. These phosphors are promising for application in field-emission displays.
pubmed:language
eng
pubmed:journal
pubmed:status
PubMed-not-MEDLINE
pubmed:month
Dec
pubmed:issn
1539-4794
pubmed:author
pubmed:issnType
Electronic
pubmed:day
15
pubmed:volume
34
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
3833-5
pubmed:year
2009
pubmed:articleTitle
Nanocrystalline LaOCl:Tb(3+)/Sm(3+) as promising phosphors for full-color field-emission displays.
pubmed:affiliation
State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry,Chinese Academy of Sciences, Changchun 130022, China.
pubmed:publicationType
Journal Article